ASPERA F48 - Installing SD Card

Unlocking methods as follows:
-Input the correct PUK per the screen tips to unlock the SIM card.
-Then input the new PIN and press the ok key.
-Input the new PIN again and then press the ok key.
-If the input PUK is correct, the SIM card will be unlocked and the PIN will be reset.
Note: The SIM card will be locked if you input the wrong PIN code three times. To
unlock the SIM card, you need to input the PUK. In general, the PUK can be
obtained from the network operator.
-PUK
The PUK code (Personal Unlocking Key) is required to change a blocked PIN. It is
supplied with the SIM card. If not, contact your network operator. If you input the
wrong PUK code 10 times, the SIM card will be invalid. Please contact the network
operator to replace the SIM card.
3.2 Installing SD Card
An SD card is a pluggable mobile storage card inside the mobile phone.
To install an SD card, remove the battery as with inserting a SIM card, and insert the
SD card into the card slot.
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